Subject: Re: -current free vnode panic
To: David Brownlee <D.K.Brownlee@city.ac.uk>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: current-users
Date: 10/02/1995 10:25:50
On Mon, 2 Oct 1995 13:28:44 +0100 (BST) 
 David Brownlee <D.K.Brownlee@city.ac.uk> wrote:

To follow up ... I got this somehow confused (due to lack of morning 
coffee at the time) with ghudson's svr4 problem ... Obviously, the patch 
I posted as a reply to David's mail does not apply to David's problem...

Sorry for the confusion.

For the record, I've had my first cup now :-)

 > 	(update)
 > 	It definitely seems to be triggered by intensive calls to {l,}stat()
 > 	A diagnostic kernel reported:
 > 
 > vrele: bad ref count: type VDIR, usecount -1, writecount 0,refcount 1,
 >         tag VT_UFS, ino 112029, on dev 7, 8
 > panic: vrele: ref cnt
 > 
 > 	I _think_ this is a MI problem - will not post anything more to
 > 	port-sparc, apologies for not doing this sooner...
 > 
 > 	Unfortunately my limited skills expire at this point & I'm left
 > 	throwing myself on the wisdom of real kernel hackers :)
 > 
 > 	(I've managed to hold the system together by disabling all the
 > 	debates on the BBS that runs on it - its sitting on 54 users quite
 > 	happily (so far!), when befre it was going down before about 40.
 > 
 > 		David/abs
 > 
 >  D.K.Brownlee@city.ac.uk (MIME) +44 171 477 8186  {post,host}master  (abs)
 > Network Analyst, UCS, City University, Northampton Square, London EC1V 0HB.
 >         <<< Monochrome - Largest UK Internet BBS - telnet mono.org >>>
 > >=- Microsoft: Abort and Retry Cancel -or- NetBSD: http://www.netbsd.org -=<

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Jason R. Thorpe                                       thorpej@nas.nasa.gov
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